fork与vfork区别？
fork与vfork区别？
相关考题：
分析下列程序。 int main() { printf("Hello") ; fork(); printf("Hello") ; fork(); printf("Hello") ; fork(); printf("Hello") ;} 不考虑其他因素，程序正常运行后共打印出多少个"Hello"？A.15B.11C.7D.4
Chinese food is usually served in small portions which don’t require () with a knife or fork. A.cuttingB.being cutC.to be cutD.to cut
A person lays his knife and fork on his plate ____ the handles towards him.A: andB: butC: withD: by
At a dinner, you can begin to eatA、when the guests sitting beside you begin.B、when the hostess says, "Let's begin."C、when the main course is served.D、when the hostess picks up her own spoon or fork..
UNIX操作系统中，fork()系统调用用于创建进程。仔细阅读、分析下列程序，假设程序正确运行并创建子进程成功，那么，输出到屏幕的正确结果是main() { pid_t pid; pid = fork(); if (pid = = 0) printf ("Hello World\n"); else if (pid >0) printf ("Hello World\n"); else printf ("Hello World\n"); }A.什么都没有B.1行Hello WorldC.2行Hello WorldD.3行Hello World
对于如下C语言程序 int main() { printf("Hello World\n"); fork(); fork(); printf("Hello World\n"); } 在UNIX操作系统中正确编译链接后，其正确的运行结果为A.共打印出2行Hello WorldB.共打印出3行Hello WorldC.共打印出4行Hello WorldD.共打印出5行Hello World
Containers are loaded and discharged by （）(龙门吊).A、ship’s derricksB、fork trucksC、gantry cranesD、shore cranes
（）is very convenient equipment for loading and unloading goods. A、CraneB、pallet truckC、Fork liftD、Fork lift truck
单选题Fork函数在父进程中的返回值是（）。A创建的子进程的进程标识号B0C-1D1